Transmission Clutch C Pressure Too High
The P2872 code means the vehicle's onboard diagnostic system has detected: Transmission Clutch C Pressure Too High. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $500 - $2,000 (parts and labor)
Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.
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Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
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Common Symptoms
- Very harsh shifts
- Driveline clunk when engaging gear
- Check Engine Light on
- Premature clutch wear symptoms
Probable Causes (Ranked by Likelihood)
- Stuck pressure control valve Very High
- Faulty pressure control solenoid High
- Valve body contamination Moderate
- TCM sending incorrect commands Low
Step-by-Step Diagnostic Procedure
-
Scan for DTCs and monitor clutch pressures
-
Test pressure control solenoid operation
-
Inspect valve body for stuck valves
-
Check TCM commands vs actual pressure
Frequently Asked Questions
Can high pressure damage the transmission?
Yes, excessive clutch pressure causes premature wear on clutch plates, seals, and related components.
What is a valve body?
The valve body is the hydraulic control center of the transmission, directing fluid to apply clutches and bands for gear changes.
Is a valve body repair expensive?
Valve body repair or replacement typically costs $500 to $1,500 including labor, less than a full rebuild.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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